There are more than 12,000 regional checklists in Avibase, offered in 9 different taxonomies, including synonyms more than 175 languages. Each checklist can be viewed with photos shared by the birding community, and also printed as PDF checklists for field use.

Pluvialis apricaria apricaria: breeds from Ireland and Great Britain through northern Europe (including southern Fennoscandia) to the Baltic States; the species winters from Ireland and Great Britain south to the Mediterranean and east to the Caspian Sea

Pluvialis apricaria altifrons: breeds east central Greenland, Iceland, the Faeroes, and northern Fennoscandia east to western Siberia; the species winters from Ireland and Great Britain south to the Mediterranean and east to the Caspian Sea